Teledynamic control



J. H. HAMMOND, JR.

TELEDYNAMIOCONTROL.

APPLICATION FILED NOV. 20 1913. RENEWED FEB. 9.191s.

1,%18,869 P nt ne 6, 1922,

2 SHEETSSHEET I.

INVENTOR ATTORNEYS 8 6 9 a I Patented June 6, 1922 .2 SHEETS-SHEET 2.

F" .022 W9 24 Z3 Z9 36 a1 I/V l/E IV TOR WITNESSES I 4 J MW] I fATTORNEYL emssacnusnrrs.

R F is r i n a raw-snowman, or-enoucnssnn,

' p rnnnnrnaazc o eonr'fnoi'i' eas es.

Application filed; November 20, 1913,7Seria1 eans. 7 Renewed February e,1918. Serial Efo. ale tea.

To all whomfz't may concern: I I

Be it known that I, JoHN.HAYs-HA1\r- MOND, Jr, a'=citizen of theUnited'States, re-

siding at Gloucester, in the State of Massachusetts, have inventedcertain new and useful Improvements in Teledynamic Controls, of whichthe following is a specification This invention relates to systems forthe control of mechanisms at a distance by means of radiant energy or inother ways, and relates more. particularly to systems in which radiantenergy transmitted from a distant station actuates electrical apparatusat a receivingstation, which causes the operation of mechanisms workedby fluids under pressure or by other means,

By my invention I am enabled to control mechanisms at a receivingstation in such a 1 way that they may be held in certain predeterminedpositions, this control-beingefiected by stopping the transmittedwavesafter sending them for certain definite periods of time; by sendingwaveimpulses of difierent frequency, this being done by varying theamplitude of the waves or'byvarying the wave-group frequency; bychanging the intensity of the received currentsnor in any other suitablemanner. One method suitable forcontrolling the receiving apparatus in mypresent invention, is that shown and described in my application for'U.S. Letters Patent Serial No. 750,705,,but I do not confine myself'tothismethod, but may employ any other method suitable for my purpose. ln'thepresent application, I show only the apparatus vat a receivingstation,but it is to be understood that there is a transmitting station withsuitable apparatusope'rating in partly in sectio n.

conjunction with my receiving station.

Inthe accompanying drawings z I V Figure 1 shows, partly in diagrammaticform,a receiving station, which may be 10 cated on a torpedo 'ior othervessel, with a side iew; of part of 'mymechanisms,

Figure 1 shows more of my mechanisms at my receiving station, partly inplan and Figure 2 shows aside view of part of my mechanism, on a largerscale.

Figure 3 shows the same portion of my mechanism, section.

Figure 4 shows a cross section of the same portion of my-mechanism,taken on the line 44 of Figure 2.

tion shown, with the clutch set,

partly in plan and partly in f i Figure 5 shows av cross section takento the left of line 4r4 0f Figure 2.

Y Figure 6 shows a cross section taken still nearerthe left end ofFigure 2.

. Figure 7 shows a cross section of the valve EJ at the pipes 3 and 13.

' In the figures, A is a receiving antenna, grounded at E through theinductance coil L and the variable condenser C. This an tennacircuit ispreferably tuned to the wave lengthof the transmitting station, as isalso the oscillation circuit L C, comprising the inductance coil L andthe variable condenser C, this oscillation circuit beinginductivelycoupled'with the said antenna circuit. By means of the rectifyingdetector Rand the stopping condenser D, unidirectional current impulsesare supplied to the relay F, which,

when actuated, permits current to flow from the battery B through thecoils of the electromagnet M. The plunger or movable core N of theelectromagnet is connected by means of the rod K with the valve Ll. Themovable part of the valve I slides in the fixed I part J and is attachedtothe frame G. A' wheel W is connected with the movable frame G and runsin the fixed framework H. A tension spring S connects the fixed part Jand the movable part I of the valve LT, and tends to pull the part-Itoward the right to its initial position, as shown in Figshown, which isconnected by means of a rod with the clutch gear X, X, X which operatesthe clutch Y which connects the engine'Z with themain shaft Z". Thespring S tends to keep the clutchgearin the posi- A tank T containscompressed airflor some other fluid, A pipe 1' leads from tank T to thepipes 2, 4c and 6, which enter one side of the fixedpart of the valve J.The pipes 3 and 5 are exhaust pipes leading from the same side of J. Thepipes 12, 13, 14, 15 and 16 enter the otherside of J, directly oppositethe pipes 2, 3, 4, 5 and 6, respectively. The pipe 17 enters the sameside of J as does pipe 16. The pipes 12 and 13 lead to the right end ofcylinder 0, and pipes 14 and lead tothefleft end of cylinder 0.

Pipe 16 leads to: the right end and pipe 171'- to the left end ofcylinder U. The movable part of the valve I contains the ports 'i, 8, 9,10, ll'and 18, All of these ports, except 18, extend through from oneside of I toithe other, but cover'onlya limited part of .the

circumference of I, so that these ports will connect the pipescontaining working 'fi'uid' on one side of J with thepip'es on the-otherside of J only when I is rotated on itsaxis through a certain angle asshown in Figure 5. At the places where the exhaust pipes 3,

Omit pipes3 and 5 altogether, and exhaust 1 directly through theenlarged ports in J The port 18' is onone side, only of I, and serves tokeep pipes 16 and 17 in communi-v cation with the atmosphere when thevalve I is in its initial position. I

' The framework H has two parallel members 19 and-20, which serve astracks for' the wheel W torun -up on.' 'These members 19 and 20 areconnected .by the pieces 26,

26, which serve to support 19. The fingers v21, 22, 23, 24 and 25 arepivoted, respectively,

at 27, 28, 29, 30 and '31. These fingers are normallyin the positionshown 'in Figures 1 and 2. When the movable part I of the hind it.

, and along the lower track- 20,'and will lift finger 25 and return toits initial position.

When no electrical impulses are being received at the receiving.station, .the mechanism is inits initial-position, as shown in Figures 1and. 1*,'the electromagnet M is notenergized, and;.the.valve I, frame Gand wheel Ware held at the right by spring S.

f The pipes" 2, 4 and. 6, which are connected with the tank T, areclosed, and the pipes 13, 15, 16 and.17 are open, sothatboth ends ofthecylinders .O and U are in com-' munication with the atmosphere. Theclutch Y is set and is held in this position by the spring \Vhenelectrical electromagnet M will be energized, thekeep steering gear Vamidships.

impulses are received the 1,41a,sse

plunger N will be drawn to the left, and, by means of the rod K, willdraw valve I,

frame G and'wheel W to the left against the 'pull of spring S. If theelectromagnet M is de-energized when the wheel'W has passedto the.leftof the tip of finger 21 and efore ityreaches finger 22, springSwill draw the movable mechanism to the right,.

wheel'W will run up finger 21 and'will be held at the top of the latter.The valve I will thus be rotated on its axis, and the port 9 will opencommunication between pipes 2 and 12, so that fluid from tank will flowinto the right end of cylinder 0.

.At thesame time pipe 13 will be closed, and

port 10 will open communication between pipes 15 and .5, so that theleft end ofcylinder 0 can exhaust. Piston P will therefore move to theleft and by meansof rod Q will operate steering gear V in one direction.

If the electromagnet M is de-energized when the wheel W has passed tothe left of the tip of finger 22 and before it reaches finger 23', wheelW will be drawn to the top of finger 22, and valve I will be-broughtinto the position where port 9 will open communication between pipes atand 14, so that fiuid from tank T will flow into the left end ofcylinder 0. At the same time pipe 15 will be closed, and port 8 willopen communication between pipes'13 and 3, so that the right end ofcylinderO can exhaust. Piston P will therefore move to the right, andwill cause steering gear V to be'operated in the opposite direction frombefore.

. If the eleetromagnet' M is de-energized when the wheel'W has passed tothe left of the tip of finger 23 and before it reaches the tip of finger24, it will be drawn to the top of finger 23, as shown in Figure 5 andat IV in Figure 2. Valve I will thus be brought into a position whereport 10 will open communication between'pipes 6 and ,16, so that fluidfrom tank T will flow into the right end of cylinder U. At the same left'end of. cylinder U can exhaust.

to the left, overcoming the tension of spring S and releasing clutch Y,so that engine Z will be disconnected from main shaft Z.

In this position of -valve I, pipes 2, 4, 12 and 14 will be closed} andpipes 3, 5, 13 and 15 will be open, so thatboth ends of cylinder 0 willbe in communication with the atmosphere, and springs S and S will tendto Under some conditions, pipe 17 need not run to valve IJ, but maysimply be a short outlet or exhaust from the left end .of cylinder U orit may be omitted altogether, and the left end of cylinder U be open tothe atmosphere.

If the electromagnet M isde-energized afmisses ter wheel W has. passedto the left of. the tip of finger 24, spring S willjdraw the movablemechanism to the right, and wheel'W will travel along the lower track20, as shown in Figure 6 and at W in Figure 2, until it reaches itsinitial position as shown at W in Figures 1, 2 and 3. The variouspositions of the valve can be passed over without operating the steeringgear and the clutch, for

these mechanisms will not be operated unless the valve is stopped incertain positions, and

the wheel W runs up tothe top of fingers 21, 22 or 23, thus rotating thevalves and opening the appropriate ports. Although I have here shownmeans for releasing the clutch Y, I can also control the setting of itby imeans of my valve without departing from the spirit of my invention.

It will thus be seen that the operator at the sending station, bystopping the emission oi Waves after predetermined time intervals,

can operate a steering gear at the receiving station and thusturn therudder to starboard or to port, or he can release a clutch anddisconnect the engine 'from the propeller, and

' can restore-theavhole operatingmechanism to its original position.

Instead of fixing the position of the wheel W and the valve I simply bystopping the transmission of waves, I can employ .the

means .shown in my application for U. S. Patent, Serial. NO. 750,705,where impulses are sentat a certain rate so as to energize theelectromagnet M to a certain degree and so attract the plunger N only asfar as may be desired. When the wheel W has reached the desiredposition, the transmission of impulsesis stopped, and the valve Iassumes the position where the desiredmechanism .is operated. Any-of themeans described in the 'above mentioned application may be employed;with my present invention, and any other suitable means for stoppingthe travel cation, Serial No. 7 50,705."

' a of the :plunger Nat any desired point may be When desirable, anysuitable form of dashpot or similar apparatus may be used to de- I layor slow up the action of electromagnet M and plunger N, such, f orinstance, as that shown and described in my aforesaid appli- I haveshown my radio receiving station tuned to wave length only, but I canalso tune it and the corresponding transmitting station to amplitudevariation frequency or Wave group frequency, as fully shown-anddescribed in various applications of mine for U. S. Letters Patent. i Iy In the art,-it is well. known that in, order to attain eflicienttuning it ,is necessary to have circuits whose electrical oscillation ispersistent and slowly dampened. Therefore, in all cases where Ichaveshown detectors' it may be understood that I may em-' ploy suchdetecting devices as present the least ohmic resistance in a circuit.Moreover, by means well known in the art, the interconnection of theoscillating circuits may be made to producean amplification effect ofthe energy transmitted through them, rather than to sufier a direct lossdue to the resistance of the circuits.

In these specifications the terms .r'ight and left and up and down, usedin describing the operation of my invention, refer to the particulararrangement of apparatus shown in the drawings, and might, of course, bechanged with some other arrangement of the apparatus without departingfrom. the

spirit of my invention.

I have here shown my invention as applied to the operation of certainmechanisms on a torpedo or other vessel, but I may also apply it to theoperation of other mechanisms on a vessel or in any other suitableplace; and in general, I do not confine my:

self to the particular apparatus and mecha nisms here shown, but changesand modifications, within the knowledge of those skilled having beenactuated to a certain extent and then released by said electromagnet,and a plurality of fluid operated mechanisms sepa- -rately controlled bysaid valve-member.

2. The combination with a valve including a member arranged to reciprdcate in a straight line and to rotate about said line as an axis, ofmeansarranged to move said 'member from an initial position in one di-.

rection along said line, retracting means tending to return said memberto said ini.-

tial position after said member has been,

moved therefrom, and -'means co-operating with said retracting means torotate said v member about said line as an axis into and to hold saidmember in a predetermined operative position after said member has beenmoved from said initial position and then releasedby said firstmentioned means.

3. In a system for the control of mechanisms from a distance, areceiving station comprising a plurality of fluid-operated mechanisms, asource offiuid supply, a movsupplyand said mechanisms, an electromagnetformoving said valve member in one direction, means for automaticallymoving said valve member in the opposite direction,

able valve member for regulating said fluid and'mea-ns' forautomatically rotating said valve member when it moves 1n the saidopposite direction.

4. In a system of teledynamic control, a receiving station containing aplurality of operative mechanisms, a'source'ot: fluid supply, a movablevalve member and means operativ'ely connected thereto for controlling"the supply of fluid to said mechanisms, an electromagnet for operatingsaid valve member, radio receiving apparatus for energizing saidelectromagnet-when radio impulses are received,and .means forautomatically moving said valve member into and holding said valvemember" in certain predetermined positions on the cessation oi saidradio impulses and until anotherimpulse is received.

5. In a system of teledynamic control, a receiving station containlng. aplurality of fluid-operative mechanisms, a source of fluid supply, amovable valve member and means co-operating therewith for controllingthe supply of fluid to said mechanisms, an electromagnet for operatingsaid valve member, radio receiving apparatus for energizing saidelectromagnet when radio impulses are received, means for stopping saidvalve mem ber within predetermined-limits, and means for automaticallymoving said valve member into and holding said valve member inpredetermined positions on the cessation of said radio impulses.

6. Ina'system of teledynamic control, a

receiving station containing a plurality of its stroke, and means forautomatically returning said valve member to its initial position whenthe impulses are stopped at the independently; movable elements, ofmeans end of' its stroke. 4

7. Ina system of teledynamic control, a

receiving station containing a plurality of operative mechanisms, asource of fluid sup-- ply, a movable valve member for controlling thesupply of fluid to said. mechanisms, an electromagnet for ,moving saidvalvemember in one direction, radio receiving apparatus for energizingsald electromagnet whenradio impulses arereceived, 'a-nd'mea'ns forpreventing the-return of the valve member to its initial position untilit has reached the end of its stroke.

8. In a systemoit' teledynamic' control, a'

receiving station containing a plurality of operative mechanisms, asource offluid supply, a. movable. valve member for controlling thesupply of fluid to said mechanisms, an electromagnet for moving saidvalve member in one direction, radio receiving apparatus for energlz'mg.said electromagnet when radio impulses are received, a frame comprisingguldeways for normally keeping "sai-dfvalve member in a non-operat vepositromagnet for moving said valve member in one direction, radioreceiving apparatus for energizing said electromagnet when radloimpulses are received, a frame comprising fiiied guideways for normallykeeping said valve member in a non-operative posltion whileimpulses' arebeing received continuously, pivoted guideways adapted to guide thevalve member into operative positions when the impulses cease, andmea-nsfo-r automatic-ally removing said valve member from the path ofsaid pivoted guideways during the return stroke of the valve member.

10. In combination, fluidoperated mechanisms, a source of fluid. supply,a movable valve member, a wheel associated withsaid valve member,'tracksand pivoted fingers for guiding said wheel and means for control lingthe position of said valve member.

11. In combination, a reciprocating valve member having an arm extendlngtherefrom, a wheel attached to sald arm, a frame provided with fixedguidewa-ys and a with pivoted gu deways for said wheel, said pivotedguideways arranged normally at an angle with said fixed g'uideways, andmeans for producing aarotation of said valve by the movement of saidwheel on said pivoted guidewa-y's. v

12. The combination with a plurality of arranged to actuate saidelements selectively,

including a reciprocatory valve member 'movable from an initialinoperative position into any one of a plurality of predeterminedoperative positions, and means to move said valve member into any one ofsaid positions.

13. The combination with a plurality ofv independently movable elements,of means said magnet.

.means co-operating with said valve member to move said valve memberinto one of said operative positions after having been actuated and thenreleased by said electromagnet, the operative positionr'eached by saidvalve member being dependent upon the point of release of said valvemember by 15. The combination with a 'valve including a movable member,of mea ns to move said member-in a given direction from an initialinoperative position, retracting means tending to return said member tosaid initial position after having been moved and then released by saidfirst mentioned means, and

means co-acting with said retracting means after said member has beenreleased-by said first mentioned means, to rotate said member about apredetermined axis either in one direction into a predeterminedoperativeposition or to. rotate said member about said axis in an oppositedirection, dependent upon the point of release of saidmember by firstmentioned means. 1

16. The combination with'a valve including a movable member, of means tomove said member in a given direction. from an 1n1t1al inoperativeposition, retracting means tending to return said member to .saidinitial position after having been moved and then released by saidfirstmentioned means, and means co-acting with said retracting means aftersaid member "has been released by said first mentioned means, to rotatesaid member about a predetermined axis, into one of a plurality ofpredetermined operative positions, or to rotate said member about saidaxis in an opposite direction, dependent upon the point of release ofsaid member by first mentioned means.

17 Thecombination with a valve including a movable member, of meanstomove -said member in a given direction from an initial inoperativeposition, retracting means t nding to return said member to said,initial position after having been moved and then released by said firstmentioned means, and means co-acting with said retractingmeans aftersaid member has been released by said first mentioned means, to rotatesaid member about a predetermined axis into one of a plurality'ofpredetermined operative positions, or to rotate said member about saidaxis in an opposite direction, dependent upon the point of release ofsaid member by first mentioned means, and a plurality 0rfluid operativedevices separately controlled by said. valve member.

18. The combination with a plurality of independently operative devices,of means arranged to actuate said devices selectively including areciprocatory valve member movable into a plurality of operativepositions 1 t'0- control. said devices respectively, and means to movesaid valve member-into any one of said positions.

19. Thecombination with a plurality of independently operative devices,of means arranged to actuate said devices selectively including areciprocatory and rotary valve member'movable into a plurality ofoperative positions to control said devices re-,

spectively, and means to move said valve member into any one ofsaidpositions.

I 20. Thecombination with .a plurality of independently operativedevices, of means arranged toactuate said devices selectively includinga reciprocatory valve member movable into a plurality of operativepositions to control said devices respectively, and

means including means responsive to radiant' energy to move said valvemember into any one of said positions. v 21. The combination with aplurality of independently operative devices, of means arranged toactuate said devices selectively including a reciprocatory and rotaryvalve member movable into a plurality of operati ve positions to controlsaid devices -respectively, and means including means responsive toradiant energy to move said valve member into any one of said positions.

22. Thecombination with a plurality of separately operative fluidactuated prime movers, of means to actuate said prime movers selectivelyincluding a source of'fiuid pressure, a valve member movable into a plu-23. The combination with a plurality of separately operative fluidactuated prime movers, of means to actuate said prime movers selectivelyincluding a source of fluid pressure, a recip-rocatory valve membermovable into a plurality of operative pOSltlOIlS for distributing fluidpressure from said source to said prime movers selectively, and meansincluding means responsive to radiant energy to more said valve meansinto said positions.

24. The combination with a plurality of separately "operative fluidactuated prime movers, of means to actuate said prime movers selectivelyincluding a source of fluid pressure, a rotary valve member movable intoa plurality of operative positions for dis tributing fluid pressure fromsaid source to said prime movers selectively, and means including meansresponsive to radiant energy to move said valve means into saidpositions.

25. The combination with a plurality of separately floperative fluidactuated prime movers, of means- :to actuate said prime. moversselectively including a source of fluid?- pressure, areci'procatory androtary valve member movable into a plurality of operative positions fordistributing fluid pressure p from said source'to s'ai'dprime moversselectively, and means includingmeansrespousive to radiant energy tomove said valve means into 'saidfpositions.

26. The combination with aplurality of separately operative fluidactuated. prime 'movers,-'of means to actuate said primepluralityofoperative positions for distribut mg fluid pressure from saidsource to saiding means 5 responsive to"; 'electroradiant I energy tomove said valve-means into: said 'positions.

27. The combination; with a: plurality of v separately operative fluidactuated prime movers, of means: toactuate said prime moversselectivelyjincludinga souriceof fluid pressure,a reciprocatory valvemember mov-= movers selectively including a source of fluid pressure, avalve member movable into a prime moversselectively, and meansincludable 'i i'ito' a-plurality of operative positions for distributingfluid pressure ifrom said sourceto saidprime movers selectively, and

'30 *mearis including means responsive to .el ectroradiant energy tomove said :valve I means into said positions.

"2-8; The combination with a plurality of separately operativefluidactuated prime= movers, ofmeansto actuate said prime moversselectively including a source of fluid pressure, a rotary valve membermovable into I a a plurality of operative positions for dis-- tributingfluid pressure-from said sourceto said prime movers selectively, andmeans'including means-responsive toelectroradiant energy to move saidvalve means into said positions.

29. The combination with a plurality of separately operative fluidactuated prime movers, of means to actuate said prime movers selectivelyincluding a source of fluid pressure, a reciprocatory and rotary valvemember movable into a plurality of operative positions for distributingfluid pressure from said source to said prime movers selectively, andmeans including means responsive to electroradiant energy to move I saidvalve means into said positions.

30. The combination with a plurality of separately operative fluidactuated prime movers, of means to actuate said prime move ersselectively including a source of fluid pres sure, a valve'membermovable .into a plurality of operative positions for distributing fluidpressure from said source to said prime movresponsive to radiant-energyto move said valvemeans into said positions, the construe- -tlOI1 and.arrangement being such that said ers selectively, andgmeans including-meansvalve member may be moved from a given positioninto-anyfoneot-said operative posi- ,tions-Without passing through anyintcrs mediate operat ve position.

31. The combination with a plurality of I separately operative fluidactuated prime -movers,ofmeanstoactuate said prime mov ers selectivelyincluding a. source of fluid pressure, a reciprocatory valve member mov-1 lable ,into a plurality of operative positions for distributing fluidI pressure, from said] pressure, a rotary-valve member movable intoa'pl'urality of operative positions for. distributing fluid pressure.from said'source to theconstructionand arrangement being such that saidvalvet'member may be moved from I a given; position-into any one of saidoperative positions Without passing through any intermediate operativeposition. I I

33. The combination with a. plurality of separately. operative fluidactuated prime movers, of means to actuate said prime movers selectivelyincluding a source of fluid pressure, a reciprocatory and rotary valvemember movable intoa plurality of operative positions for distributingfluid pres sure from said source to said prime movers selectively, andmeans including means responsive to radiant energy to move said valvemeans into said positions, the construction and arrangement being suchthat said valve member may be moved from a given position into any oneof said operative positions Without passing through any intermediateoperative position.

'This specification signed and witnessed this 15th day of. November, A.D. 1918.

JOHN HAYSHAMMOND, J n. Signed in the presence of:

J oiiN CUNNINGHAM, L. BELLE TARR.

., saidprimemoversselectively, and means ineluding means responsive: toradiant energy to move saidvalve means into said positions,

